What is this part? [EPC]
 

Hey everyone, I was browsing around the EPC and I came across this guy:

http://imgur.com/HIcYil.jpg

Its PN: 1266220204, "SUPPORT, Front Side Member, Rear Right"

In the EPC pic, it looks like it might be a piece that goes the front horn area...

Like you'd weld it into this area:
http://i.imgur.com/CzUyt.jpg

Which would be awesome, cuz I can just order that, cut the old rusted metal and put the new piece in.

Additionally,

What is this part,
http://imgur.com/idg5Ul.jpg

Is that a rocker panel, where the jacks go in? PN: 1266370135